sonisthabanerjee sonisthabanerjee

09-12-2021
Physics

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7. If the speed of light in medium-1 and medium-2 are 2.5x 10 m/s and 2x 10 m/s respectively then the refractive index of medium-1 with respect to medium-2 is (a) 3/2.5 (b) 2/2.5 (c) 2.5/3

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09-12-2021

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